netdev - [PATCH] net: phy: marvell: Use phy_read_paged() instead of open coding it

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Mon, 5 Oct 2020 17:19:50 +0800
From:   Jisheng Zhang <Jisheng.Zhang@...aptics.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: phy: marvell: Use phy_read_paged() instead of open
 coding it

Convert m88e1318_get_wol() to use the well implemented phy_read_paged()
instead of open coding it.

Signed-off-by: Jisheng Zhang <Jisheng.Zhang@...aptics.com>
---
 drivers/net/phy/marvell.c | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c
index bb86ac0bd092..5aec673a0120 100644
--- a/drivers/net/phy/marvell.c
+++ b/drivers/net/phy/marvell.c
@@ -1598,21 +1598,15 @@ static int m88e1121_did_interrupt(struct phy_device *phydev)
 static void m88e1318_get_wol(struct phy_device *phydev,
 			     struct ethtool_wolinfo *wol)
 {
-	int oldpage, ret = 0;
+	int ret;
 
 	wol->supported = WAKE_MAGIC;
 	wol->wolopts = 0;
 
-	oldpage = phy_select_page(phydev, MII_MARVELL_WOL_PAGE);
-	if (oldpage < 0)
-		goto error;
-
-	ret = __phy_read(phydev, MII_88E1318S_PHY_WOL_CTRL);
-	if (ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
+	ret = phy_read_paged(phydev, MII_MARVELL_WOL_PAGE,
+			     MII_88E1318S_PHY_WOL_CTRL);
+	if (ret >= 0 && ret & MII_88E1318S_PHY_WOL_CTRL_MAGIC_PACKET_MATCH_ENABLE)
 		wol->wolopts |= WAKE_MAGIC;
-
-error:
-	phy_restore_page(phydev, oldpage, ret);
 }
 
 static int m88e1318_set_wol(struct phy_device *phydev,
-- 
2.28.0